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National Stock Number:
4820-00-875-9810
Federal Supply Class:
4820
National Item Identification Number:
008759810
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 2259B4MM | 91816 | CIRCOR AEROSPACE, INC. | | 440362 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 9975894 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 440362 | 92878 | HDT EXPEDITIONARY SYSTEMS INC | | 440362 | 94833 | KECO INDUSTRIES INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | MAXIMUM OPERATING TEMP | 280.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | HELIUM SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, MINERAL BASE FIFTH RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS FOURTH RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | SPECIAL FEATURES | NOMINAL CRACKING PRESSURE 1 PSI | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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